Speech motor control in normal and disordered speech
Speaking is one of the most complex skills that humans perform. In our everyday communication, we transfer sentences, concepts, thoughts, and ideas. How though, is the speaker able to convert these into movements of the speech apparatus? These speech movements are the observable end-product, but what neurological, psycholinguistic, and perceptual--motor processes lie behind their production?
To fully understand speech disorders, such as stuttering, apraxia of speech, and Parkinsonian dysarthria, the disruptions in this complex interplay are highly relevant. Equally important is the question of how the infant develops from random babbling to precisely controlled production of words, syllables, and phonemes.
This volume presents state of the art research in the science of speech motor control and speech disorders. All the chapters take a fundamental, model-oriented perspective, as introduced in the first section of the volume. Further topics covered in this book are: brain imaging studies and the rapid progression in comprehending neural mechanisms; developmental studies revealing perceptual-motor continuities and discontinuities; psycholinguistic experimentation showing higher-order influences on speech motor control; and recent notions and applications to the understanding of speech disorders.
This will be an important volume for all those involved in speech research and speech pathology, including those from the disciplines of psychology, neurology, and ENT.
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A neural model of speech production and its application to studies
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Ackermann acoustic activation adults apraxia apraxia of speech apraxic areas articulation articulatory auditory feedback babbling basal ganglia Broca's area cerebellar cerebellum cerebral clinical coarticulation cognitive complex consonants Conture coordination coordination dynamics cortical developmental disfluency dynamics dysarthria effects errors etal evidence Experimental Fluency Disorders fluent fMRI functional gestures Hearing Research hemisphere Hulstijn impairment infants involved Journal of Speech Kelso Kent kinematic language learning lesions lexical Lieshout linguistic mappings motor cortex motor imagery motor learning motor speech motor system muscle neural neurological neurons Neuroscience nonspeech nonstuttering normal observed onset orofacial output pallidotomy Parkinson's disease patients patterns perception phonemic phonological physiological positron emission tomography processes role segments sensorimotor sensory sequences speakers specific Speech and Hearing speech disfluencies speech disorders speech motor control speech movements speech production speech-language structures studies stuttering subcortical suggest syllable syntactic target task thalamus tion tongue utterances variability vocal tract vowel word